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. 2016 Jun 27;125(1):89–96. doi: 10.1289/EHP220

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Conceptual framework of the Urban and TranspOrt Planning Health Impact Assessment (UTOPHIA) tool. (1) Recommended exposure level; (2) current exposure level; (3) exposure difference between recommended and current exposure level; (4) exposure response function (ERF) quantifying association between exposure and mortality; (5) relative risk (RR) corresponding to exposure difference; (6) population attributable fraction (PAF) corresponding to exposure difference.